my_li = [1,2,3,4,4,4,4,5,5,5,6,7,87,8,98,9,9]
# {1, 2, 3, 4, 5, 6, 7, 8, 98, 9, 87}

# my_set01 = set()
my_li = list(set(my_li))
# print(my_li)

my_set = {1, 2, 3, 4, 5, 6, 7, 8, 98, 9, 87}
# print(my_set[0])

s1 = {1,2,3,4}
s2 = {3,4,5,6}
# print( s1  &  s2 )
# print( s1  |  s2 )
# print( s1  -  s2 )
# print( s2  -  s1 )

s1.add('hello')
# s1.add([1,2,3,4,5])
# print(s1)
print(s1.pop())

# s1.remove('hello')
print(s1)

s1.update(['fdsafd','fdsafdas'])
print(s1)


print(dir(s1))
"""
1.搜索你要查询的图片
2.打开调试窗口   F12快捷键
3.点击Fetch/XHR
4.滚动页面 直到 出来一条新的请求数据
5.点开数据 查看预览

"""